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qzdoom/src/am_map.cpp
Christoph Oelckers 1502215009 - Made AActor's xscale and yscale properties full precision fixed point 
so now larger scales than 4 can be done.


SVN r381 (trunk)
2006-11-14 16:54:02 +00:00

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// Emacs style mode select -*- C++ -*-
//-----------------------------------------------------------------------------
//
// $Id:$
//
// Copyright (C) 1993-1996 by id Software, Inc.
//
// This source is available for distribution and/or modification
// only under the terms of the DOOM Source Code License as
// published by id Software. All rights reserved.
//
// The source is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// FITNESS FOR A PARTICULAR PURPOSE. See the DOOM Source Code License
// for more details.
//
//
// $Log:$
//
// DESCRIPTION: the automap code
//
//-----------------------------------------------------------------------------
#include <stdio.h>
#include "doomdef.h"
#include "templates.h"
#include "g_level.h"
#include "doomdef.h"
#include "st_stuff.h"
#include "p_local.h"
#include "p_lnspec.h"
#include "w_wad.h"
#include "a_sharedglobal.h"
#include "statnums.h"
#include "m_cheat.h"
#include "i_system.h"
#include "c_dispatch.h"
// Needs access to LFB.
#include "v_video.h"
#include "v_text.h"
// State.
#include "doomstat.h"
#include "r_state.h"
// Data.
#include "gstrings.h"
#include "am_map.h"
#include "a_artifacts.h"
static int Background, YourColor, WallColor, TSWallColor,
FDWallColor, CDWallColor, ThingColor,
ThingColor_Item, ThingColor_Monster, ThingColor_Friend,
SecretWallColor, GridColor, XHairColor,
NotSeenColor,
LockedColor,
AlmostBackground,
IntraTeleportColor, InterTeleportColor,
SecretSectorColor;
static int DoomColors[11];
static BYTE DoomPaletteVals[11*3] =
{
0x00,0x00,0x00, 0xff,0xff,0xff, 0x10,0x10,0x10,
0xfc,0x00,0x00, 0x80,0x80,0x80, 0xbc,0x78,0x48,
0xfc,0xfc,0x00, 0x74,0xfc,0x6c, 0x4c,0x4c,0x4c,
0x80,0x80,0x80, 0x6c,0x6c,0x6c
};
#define MAPBITS 12
#define MapDiv SafeDivScale12
#define MapMul MulScale12
#define MAPUNIT (1<<MAPBITS)
#define FRACTOMAPBITS (FRACBITS-MAPBITS)
// scale on entry
#define INITSCALEMTOF (.2*MAPUNIT)
// used by MTOF to scale from map-to-frame-buffer coords
static fixed_t scale_mtof = (fixed_t)INITSCALEMTOF;
// used by FTOM to scale from frame-buffer-to-map coords (=1/scale_mtof)
static fixed_t scale_ftom;
// translates between frame-buffer and map distances
inline fixed_t FTOM(fixed_t x)
{
return x * scale_ftom;
}
inline fixed_t MTOF(fixed_t x)
{
return MulScale24 (x, scale_mtof);
}
static int WeightingScale;
CVAR (Int, am_rotate, 0, CVAR_ARCHIVE);
CVAR (Int, am_overlay, 0, CVAR_ARCHIVE);
CVAR (Bool, am_showsecrets, true, CVAR_ARCHIVE);
CVAR (Bool, am_showmonsters, true, CVAR_ARCHIVE);
CVAR (Bool, am_showitems, false, CVAR_ARCHIVE);
CVAR (Bool, am_showtime, true, CVAR_ARCHIVE);
CVAR (Bool, am_showtotaltime, false, CVAR_ARCHIVE);
CVAR (Bool, am_usecustomcolors, true, CVAR_ARCHIVE);
CVAR (Float, am_ovtrans, 1.f, CVAR_ARCHIVE);
CVAR (Color, am_backcolor, 0x6c5440, CVAR_ARCHIVE);
CVAR (Color, am_yourcolor, 0xfce8d8, CVAR_ARCHIVE);
CVAR (Color, am_wallcolor, 0x2c1808, CVAR_ARCHIVE);
CVAR (Color, am_secretwallcolor, 0x000000, CVAR_ARCHIVE);
CVAR (Color, am_tswallcolor, 0x888888, CVAR_ARCHIVE);
CVAR (Color, am_fdwallcolor, 0x887058, CVAR_ARCHIVE);
CVAR (Color, am_cdwallcolor, 0x4c3820, CVAR_ARCHIVE);
CVAR (Color, am_thingcolor, 0xfcfcfc, CVAR_ARCHIVE);
CVAR (Color, am_gridcolor, 0x8b5a2b, CVAR_ARCHIVE);
CVAR (Color, am_xhaircolor, 0x808080, CVAR_ARCHIVE);
CVAR (Color, am_notseencolor, 0x6c6c6c, CVAR_ARCHIVE);
CVAR (Color, am_lockedcolor, 0x007800, CVAR_ARCHIVE);
CVAR (Color, am_ovyourcolor, 0xfce8d8, CVAR_ARCHIVE);
CVAR (Color, am_ovwallcolor, 0x00ff00, CVAR_ARCHIVE);
CVAR (Color, am_ovthingcolor, 0xe88800, CVAR_ARCHIVE);
CVAR (Color, am_ovotherwallscolor, 0x008844, CVAR_ARCHIVE);
CVAR (Color, am_ovunseencolor, 0x00226e, CVAR_ARCHIVE);
CVAR (Color, am_ovtelecolor, 0xffff00, CVAR_ARCHIVE);
CVAR (Color, am_intralevelcolor, 0x0000ff, CVAR_ARCHIVE);
CVAR (Color, am_interlevelcolor, 0xff0000, CVAR_ARCHIVE);
CVAR (Color, am_secretsectorcolor, 0xff00ff, CVAR_ARCHIVE);
CVAR (Int, am_map_secrets, 1, CVAR_ARCHIVE);
CVAR (Bool, am_drawmapback, true, CVAR_ARCHIVE);
CVAR (Color, am_thingcolor_friend, 0xfcfcfc, CVAR_ARCHIVE);
CVAR (Color, am_thingcolor_monster, 0xfcfcfc, CVAR_ARCHIVE);
CVAR (Color, am_thingcolor_item, 0xfcfcfc, CVAR_ARCHIVE);
CVAR (Color, am_ovthingcolor_friend, 0xe88800, CVAR_ARCHIVE);
CVAR (Color, am_ovthingcolor_monster, 0xe88800, CVAR_ARCHIVE);
CVAR (Color, am_ovthingcolor_item, 0xe88800, CVAR_ARCHIVE);
// drawing stuff
#define AM_PANDOWNKEY KEY_DOWNARROW
#define AM_PANUPKEY KEY_UPARROW
#define AM_PANRIGHTKEY KEY_RIGHTARROW
#define AM_PANLEFTKEY KEY_LEFTARROW
#define AM_ZOOMINKEY KEY_EQUALS
#define AM_ZOOMINKEY2 0x4e // DIK_ADD
#define AM_ZOOMOUTKEY KEY_MINUS
#define AM_ZOOMOUTKEY2 0x4a // DIK_SUBTRACT
#define AM_GOBIGKEY 0x0b // DIK_0
#define AM_FOLLOWKEY 'f'
#define AM_GRIDKEY 'g'
#define AM_MARKKEY 'm'
#define AM_CLEARMARKKEY 'c'
#define AM_NUMMARKPOINTS 10
// player radius for automap checking
#define PLAYERRADIUS 16*MAPUNIT
// how much the automap moves window per tic in frame-buffer coordinates
// moves 140 pixels at 320x200 in 1 second
#define F_PANINC (140/TICRATE)
// how much zoom-in per tic
// goes to 2x in 1 second
#define M_ZOOMIN ((int) (1.02*MAPUNIT))
// how much zoom-out per tic
// pulls out to 0.5x in 1 second
#define M_ZOOMOUT ((int) (MAPUNIT/1.02))
// translates between frame-buffer and map coordinates
#define CXMTOF(x) (MTOF((x)-m_x)/* - f_x*/)
#define CYMTOF(y) (f_h - MTOF((y)-m_y)/* + f_y*/)
typedef struct {
int x, y;
} fpoint_t;
typedef struct {
fpoint_t a, b;
} fline_t;
typedef struct {
fixed_t x,y;
} mpoint_t;
typedef struct {
mpoint_t a, b;
} mline_t;
typedef struct {
fixed_t slp, islp;
} islope_t;
//
// The vector graphics for the automap.
// A line drawing of the player pointing right,
// starting from the middle.
//
#define R ((8*PLAYERRADIUS)/7)
mline_t player_arrow[] = {
{ { -R+R/8, 0 }, { R, 0 } }, // -----
{ { R, 0 }, { R-R/2, R/4 } }, // ----->
{ { R, 0 }, { R-R/2, -R/4 } },
{ { -R+R/8, 0 }, { -R-R/8, R/4 } }, // >---->
{ { -R+R/8, 0 }, { -R-R/8, -R/4 } },
{ { -R+3*R/8, 0 }, { -R+R/8, R/4 } }, // >>--->
{ { -R+3*R/8, 0 }, { -R+R/8, -R/4 } }
};
#undef R
#define NUMPLYRLINES (sizeof(player_arrow)/sizeof(mline_t))
#define R ((8*PLAYERRADIUS)/7)
mline_t cheat_player_arrow[] = {
{ { -R+R/8, 0 }, { R, 0 } }, // -----
{ { R, 0 }, { R-R/2, R/6 } }, // ----->
{ { R, 0 }, { R-R/2, -R/6 } },
{ { -R+R/8, 0 }, { -R-R/8, R/6 } }, // >----->
{ { -R+R/8, 0 }, { -R-R/8, -R/6 } },
{ { -R+3*R/8, 0 }, { -R+R/8, R/6 } }, // >>----->
{ { -R+3*R/8, 0 }, { -R+R/8, -R/6 } },
{ { -R/2, 0 }, { -R/2, -R/6 } }, // >>-d--->
{ { -R/2, -R/6 }, { -R/2+R/6, -R/6 } },
{ { -R/2+R/6, -R/6 }, { -R/2+R/6, R/4 } },
{ { -R/6, 0 }, { -R/6, -R/6 } }, // >>-dd-->
{ { -R/6, -R/6 }, { 0, -R/6 } },
{ { 0, -R/6 }, { 0, R/4 } },
{ { R/6, R/4 }, { R/6, -R/7 } }, // >>-ddt->
{ { R/6, -R/7 }, { R/6+R/32, -R/7-R/32 } },
{ { R/6+R/32, -R/7-R/32 }, { R/6+R/10, -R/7 } }
};
#undef R
#define NUMCHEATPLYRLINES (sizeof(cheat_player_arrow)/sizeof(mline_t))
#define R (MAPUNIT)
// [RH] Avoid lots of warnings without compiler-specific #pragmas
#define L(a,b,c,d) { {(fixed_t)((a)*R),(fixed_t)((b)*R)}, {(fixed_t)((c)*R),(fixed_t)((d)*R)} }
mline_t triangle_guy[] = {
L (-.867,-.5, .867,-.5),
L (.867,-.5, 0,1),
L (0,1, -.867,-.5)
};
#define NUMTRIANGLEGUYLINES (sizeof(triangle_guy)/sizeof(mline_t))
mline_t thintriangle_guy[] = {
L (-.5,-.7, 1,0),
L (1,0, -.5,.7),
L (-.5,.7, -.5,-.7)
};
#undef L
#undef R
#define NUMTHINTRIANGLEGUYLINES (sizeof(thintriangle_guy)/sizeof(mline_t))
EXTERN_CVAR (Bool, sv_cheats)
CUSTOM_CVAR (Int, am_cheat, 0, 0)
{
// No automap cheat in net games when cheats are disabled!
if (netgame && !sv_cheats && self != 0)
{
self = 0;
}
}
static int grid = 0;
static int leveljuststarted = 1; // kluge until AM_LevelInit() is called
bool automapactive = false;
// location of window on screen
static int f_x;
static int f_y;
// size of window on screen
static int f_w;
static int f_h;
static int f_p; // [RH] # of bytes from start of a line to start of next
static BYTE *fb; // pseudo-frame buffer
static int amclock;
static mpoint_t m_paninc; // how far the window pans each tic (map coords)
static fixed_t mtof_zoommul; // how far the window zooms in each tic (map coords)
static fixed_t ftom_zoommul; // how far the window zooms in each tic (fb coords)
static fixed_t m_x, m_y; // LL x,y where the window is on the map (map coords)
static fixed_t m_x2, m_y2; // UR x,y where the window is on the map (map coords)
//
// width/height of window on map (map coords)
//
static fixed_t m_w;
static fixed_t m_h;
// based on level size
static fixed_t min_x, min_y, max_x, max_y;
static fixed_t max_w; // max_x-min_x,
static fixed_t max_h; // max_y-min_y
// based on player size
static fixed_t min_w;
static fixed_t min_h;
static fixed_t min_scale_mtof; // used to tell when to stop zooming out
static fixed_t max_scale_mtof; // used to tell when to stop zooming in
// old stuff for recovery later
static fixed_t old_m_w, old_m_h;
static fixed_t old_m_x, old_m_y;
// old location used by the Follower routine
static mpoint_t f_oldloc;
static int marknums[10]; // numbers used for marking by the automap
static mpoint_t markpoints[AM_NUMMARKPOINTS]; // where the points are
static int markpointnum = 0; // next point to be assigned
static int followplayer = 1; // specifies whether to follow the player around
static FTexture *mapback; // the automap background
static fixed_t mapystart=0; // y-value for the start of the map bitmap...used in the parallax stuff.
static fixed_t mapxstart=0; //x-value for the bitmap.
static bool stopped = true;
#define NUMALIASES 3
#define WALLCOLORS -1
#define FDWALLCOLORS -2
#define CDWALLCOLORS -3
#define WEIGHTBITS 6
#define WEIGHTSHIFT (16-WEIGHTBITS)
#define NUMWEIGHTS (1<<WEIGHTBITS)
#define WEIGHTMASK (NUMWEIGHTS-1)
static BYTE antialias[NUMALIASES][NUMWEIGHTS];
void AM_rotatePoint (fixed_t *x, fixed_t *y);
void AM_rotate (fixed_t *x, fixed_t *y, angle_t an);
void DrawWuLine (int X0, int Y0, int X1, int Y1, BYTE *BaseColor);
void DrawTransWuLine (int X0, int Y0, int X1, int Y1, BYTE BaseColor);
// Calculates the slope and slope according to the x-axis of a line
// segment in map coordinates (with the upright y-axis n' all) so
// that it can be used with the brain-dead drawing stuff.
// Ripped out for Heretic
/*
void AM_getIslope (mline_t *ml, islope_t *is)
{
int dx, dy;
dy = ml->a.y - ml->b.y;
dx = ml->b.x - ml->a.x;
if (!dy) is->islp = (dx<0?-MAXINT:MAXINT);
else is->islp = FixedDiv(dx, dy);
if (!dx) is->slp = (dy<0?-MAXINT:MAXINT);
else is->slp = FixedDiv(dy, dx);
}
*/
void AM_GetPosition(fixed_t & x, fixed_t & y)
{
x = (m_x + m_w/2) << FRACTOMAPBITS;
y = (m_y + m_h/2) << FRACTOMAPBITS;
}
//
//
//
void AM_activateNewScale ()
{
m_x += m_w/2;
m_y += m_h/2;
m_w = FTOM(f_w);
m_h = FTOM(f_h);
m_x -= m_w/2;
m_y -= m_h/2;
m_x2 = m_x + m_w;
m_y2 = m_y + m_h;
}
//
//
//
void AM_saveScaleAndLoc ()
{
old_m_x = m_x;
old_m_y = m_y;
old_m_w = m_w;
old_m_h = m_h;
}
//
//
//
void AM_restoreScaleAndLoc ()
{
m_w = old_m_w;
m_h = old_m_h;
if (!followplayer)
{
m_x = old_m_x;
m_y = old_m_y;
}
else
{
m_x = (players[consoleplayer].camera->x >> FRACTOMAPBITS) - m_w/2;
m_y = (players[consoleplayer].camera->y >> FRACTOMAPBITS)- m_h/2;
}
m_x2 = m_x + m_w;
m_y2 = m_y + m_h;
// Change the scaling multipliers
scale_mtof = MapDiv(f_w<<MAPBITS, m_w);
scale_ftom = MapDiv(MAPUNIT, scale_mtof);
}
//
// adds a marker at the current location
//
bool AM_addMark ()
{
if (marknums[0] != -1)
{
markpoints[markpointnum].x = m_x + m_w/2;
markpoints[markpointnum].y = m_y + m_h/2;
markpointnum = (markpointnum + 1) % AM_NUMMARKPOINTS;
return true;
}
return false;
}
//
// Determines bounding box of all vertices,
// sets global variables controlling zoom range.
//
static void AM_findMinMaxBoundaries ()
{
int i;
fixed_t a;
fixed_t b;
min_x = min_y = FIXED_MAX;
max_x = max_y = FIXED_MIN;
for (i = 0; i < numvertexes; i++)
{
if (vertexes[i].x < min_x)
min_x = vertexes[i].x;
else if (vertexes[i].x > max_x)
max_x = vertexes[i].x;
if (vertexes[i].y < min_y)
min_y = vertexes[i].y;
else if (vertexes[i].y > max_y)
max_y = vertexes[i].y;
}
max_w = (max_x >>= FRACTOMAPBITS) - (min_x >>= FRACTOMAPBITS);
max_h = (max_y >>= FRACTOMAPBITS) - (min_y >>= FRACTOMAPBITS);
min_w = 2*PLAYERRADIUS; // const? never changed?
min_h = 2*PLAYERRADIUS;
a = MapDiv (SCREENWIDTH << MAPBITS, max_w);
b = MapDiv (::ST_Y << MAPBITS, max_h);
min_scale_mtof = a < b ? a : b;
max_scale_mtof = MapDiv (SCREENHEIGHT << MAPBITS, 2*PLAYERRADIUS);
}
static void AM_ClipRotatedExtents ()
{
fixed_t rmin_x, rmin_y, rmax_x, rmax_y;
if (am_rotate == 0 || (am_rotate == 2 && !viewactive))
{
rmin_x = min_x;
rmin_y = min_y;
rmax_x = max_x;
rmax_y = max_y;
}
else
{
fixed_t xs[4], ys[4];
int i;
xs[0] = min_x; ys[0] = min_y;
xs[1] = max_x; ys[1] = min_y;
xs[2] = max_x; ys[2] = max_y;
xs[3] = min_x; ys[3] = max_y;
for (i = 0; i < 4; ++i)
{
AM_rotatePoint (&xs[i], &ys[i]);
}
rmin_x = rmin_y = FIXED_MAX;
rmax_x = rmax_y = FIXED_MIN;
for (i = 0; i < 4; ++i)
{
if (xs[i] < rmin_x) rmin_x = xs[i];
if (xs[i] > rmax_x) rmax_x = xs[i];
if (ys[i] < rmin_y) rmin_y = ys[i];
if (ys[i] > rmax_y) rmax_y = ys[i];
}
}
if (m_x + m_w/2 > rmax_x)
m_x = rmax_x - m_w/2;
else if (m_x + m_w/2 < rmin_x)
m_x = rmin_x - m_w/2;
if (m_y + m_h/2 > rmax_y)
m_y = rmax_y - m_h/2;
else if (m_y + m_h/2 < rmin_y)
m_y = rmin_y - m_h/2;
m_x2 = m_x + m_w;
m_y2 = m_y + m_h;
}
static void AM_ScrollParchment (fixed_t dmapx, fixed_t dmapy)
{
mapxstart -= MulScale12 (dmapx, scale_mtof);
mapystart -= MulScale12 (dmapy, scale_mtof);
if (mapback != NULL)
{
int pwidth = mapback->GetWidth() << MAPBITS;
int pheight = mapback->GetHeight() << MAPBITS;
while(mapxstart > 0)
mapxstart -= pwidth;
while(mapxstart <= -pwidth)
mapxstart += pwidth;
while(mapystart > 0)
mapystart -= pheight;
while(mapystart <= -pheight)
mapystart += pheight;
}
}
//
//
//
void AM_changeWindowLoc ()
{
if (0 != (m_paninc.x | m_paninc.y))
{
followplayer = 0;
f_oldloc.x = FIXED_MAX;
}
int oldmx = m_x, oldmy = m_y;
m_x += Scale (m_paninc.x, SCREENWIDTH, 320);
m_y += Scale (m_paninc.y, SCREENHEIGHT, 200);
AM_ClipRotatedExtents ();
AM_ScrollParchment (m_x-oldmx, oldmy-m_y);
}
//
//
//
void AM_initVariables ()
{
int pnum;
automapactive = true;
f_oldloc.x = FIXED_MAX;
amclock = 0;
m_paninc.x = m_paninc.y = 0;
ftom_zoommul = MAPUNIT;
mtof_zoommul = MAPUNIT;
m_w = FTOM(SCREENWIDTH);
m_h = FTOM(SCREENHEIGHT);
// find player to center on initially
if (!playeringame[pnum = consoleplayer])
for (pnum=0;pnum<MAXPLAYERS;pnum++)
if (playeringame[pnum])
break;
m_x = (players[pnum].camera->x >> FRACTOMAPBITS) - m_w/2;
m_y = (players[pnum].camera->y >> FRACTOMAPBITS) - m_h/2;
AM_changeWindowLoc();
// for saving & restoring
old_m_x = m_x;
old_m_y = m_y;
old_m_w = m_w;
old_m_h = m_h;
}
static void GetComponents (int color, DWORD *palette, float &r, float &g, float &b)
{
if (palette)
color = palette[color];
r = (float)RPART(color);
g = (float)GPART(color);
b = (float)BPART(color);
}
static void AM_initColors (bool overlayed)
{
static DWORD *lastpal = NULL;
static int lastback = -1;
DWORD *palette;
palette = (DWORD *)GPalette.BaseColors;
if (lastpal != palette)
{
int i, j;
for (i = j = 0; i < 11; i++, j += 3)
{
DoomColors[i] = palette
? ColorMatcher.Pick (DoomPaletteVals[j], DoomPaletteVals[j+1], DoomPaletteVals[j+2])
: MAKERGB(DoomPaletteVals[j], DoomPaletteVals[j+1], DoomPaletteVals[j+2]);
}
}
if (overlayed)
{
YourColor = am_ovyourcolor.GetIndex ();
SecretSectorColor = SecretWallColor = WallColor = am_ovwallcolor.GetIndex ();
ThingColor_Item = am_ovthingcolor_item.GetIndex();
ThingColor_Friend = am_ovthingcolor_friend.GetIndex();
ThingColor_Monster = am_ovthingcolor_monster.GetIndex();
ThingColor = am_ovthingcolor.GetIndex ();
FDWallColor = CDWallColor = LockedColor = am_ovotherwallscolor.GetIndex ();
NotSeenColor = TSWallColor = am_ovunseencolor.GetIndex ();
IntraTeleportColor = InterTeleportColor = am_ovtelecolor.GetIndex ();
}
else if (am_usecustomcolors)
{
/* Use the custom colors in the am_* cvars */
Background = am_backcolor.GetIndex ();
YourColor = am_yourcolor.GetIndex ();
SecretWallColor = am_secretwallcolor.GetIndex ();
WallColor = am_wallcolor.GetIndex ();
TSWallColor = am_tswallcolor.GetIndex ();
FDWallColor = am_fdwallcolor.GetIndex ();
CDWallColor = am_cdwallcolor.GetIndex ();
ThingColor_Item = am_thingcolor_item.GetIndex();
ThingColor_Friend = am_thingcolor_friend.GetIndex();
ThingColor_Monster = am_thingcolor_monster.GetIndex();
ThingColor = am_thingcolor.GetIndex ();
GridColor = am_gridcolor.GetIndex ();
XHairColor = am_xhaircolor.GetIndex ();
NotSeenColor = am_notseencolor.GetIndex ();
LockedColor = am_lockedcolor.GetIndex ();
InterTeleportColor = am_interlevelcolor.GetIndex ();
IntraTeleportColor = am_intralevelcolor.GetIndex ();
SecretSectorColor = am_secretsectorcolor.GetIndex ();
DWORD ba = am_backcolor;
int r = RPART(ba) - 16;
int g = GPART(ba) - 16;
int b = BPART(ba) - 16;
if (r < 0)
r += 32;
if (g < 0)
g += 32;
if (b < 0)
b += 32;
AlmostBackground = ColorMatcher.Pick (r, g, b);
}
else
{ // Use colors corresponding to the original Doom's
Background = DoomColors[0];
YourColor = DoomColors[1];
AlmostBackground = DoomColors[2];
SecretSectorColor =
SecretWallColor =
WallColor = DoomColors[3];
TSWallColor = DoomColors[4];
FDWallColor = DoomColors[5];
LockedColor =
CDWallColor = DoomColors[6];
ThingColor_Item =
ThingColor_Friend =
ThingColor_Monster =
ThingColor = DoomColors[7];
GridColor = DoomColors[8];
XHairColor = DoomColors[9];
NotSeenColor = DoomColors[10];
}
// initialize the anti-aliased lines
static struct
{
int *color;
int prevcolor;
int falseColor;
} aliasedLines[3] = {
{ &WallColor, -1, WALLCOLORS },
{ &FDWallColor, -1, FDWALLCOLORS },
{ &CDWallColor, -1, CDWALLCOLORS }
};
float backRed, backGreen, backBlue;
GetComponents (Background, palette, backRed, backGreen, backBlue);
for (int alias = 0; alias < NUMALIASES; alias++)
{
if (aliasedLines[alias].prevcolor != *(aliasedLines[alias].color) ||
lastpal != palette || lastback != Background)
{
float foreRed, foreGreen, foreBlue;
aliasedLines[alias].prevcolor = *(aliasedLines[alias].color);
GetComponents (*(aliasedLines[alias].color), palette, foreRed, foreGreen, foreBlue);
for (int i = 0; i < NUMWEIGHTS; i++)
{
float step = (float)i;
float fore = (NUMWEIGHTS-1 - step) / (NUMWEIGHTS-1);
float back = step / (NUMWEIGHTS-1);
int red = (int)(backRed * back + foreRed * fore);
int green = (int)(backGreen * back + foreGreen * fore);
int blue = (int)(backGreen * back + foreBlue * fore);
// [RH] What was I thinking here?
// if (palette)
antialias[alias][i] = ColorMatcher.Pick (red, green, blue);
// else
// antialias[alias][i] = MAKERGB(red, green, blue);
}
*(aliasedLines[alias].color) = aliasedLines[alias].falseColor;
}
}
lastpal = palette;
lastback = Background;
}
//
//
//
void AM_loadPics ()
{
int i;
char namebuf[9];
for (i = 0; i < 10; i++)
{
sprintf (namebuf, "AMMNUM%d", i);
marknums[i] = TexMan.CheckForTexture (namebuf, FTexture::TEX_MiscPatch);
}
if (mapback == NULL)
{
i = Wads.CheckNumForName ("AUTOPAGE");
if (i >= 0)
{
mapback = FTexture::CreateTexture(i, FTexture::TEX_Autopage);
}
}
}
void AM_unloadPics ()
{
if (mapback != NULL)
{
delete mapback;
mapback = NULL;
}
}
bool AM_clearMarks ()
{
for (int i = AM_NUMMARKPOINTS-1; i >= 0; i--)
markpoints[i].x = -1; // means empty
markpointnum = 0;
return marknums[0] != -1;
}
//
// should be called at the start of every level
// right now, i figure it out myself
//
void AM_LevelInit ()
{
leveljuststarted = 0;
AM_clearMarks();
AM_findMinMaxBoundaries();
scale_mtof = MapDiv(min_scale_mtof, (int) (0.7*MAPUNIT));
if (scale_mtof > max_scale_mtof)
scale_mtof = min_scale_mtof;
scale_ftom = MapDiv(MAPUNIT, scale_mtof);
}
//
//
//
void AM_Stop ()
{
AM_unloadPics ();
automapactive = false;
stopped = true;
BorderNeedRefresh = screen->GetPageCount ();
viewactive = true;
}
//
//
//
void AM_Start ()
{
static char lastmap[sizeof(level.mapname)] = "";
if (!stopped) AM_Stop();
stopped = false;
if (strcmp (lastmap, level.mapname))
{
AM_LevelInit();
strcpy (lastmap, level.mapname);
}
AM_initVariables();
AM_loadPics();
}
//
// set the window scale to the maximum size
//
void AM_minOutWindowScale ()
{
scale_mtof = min_scale_mtof;
scale_ftom = MapDiv(MAPUNIT, scale_mtof);
}
//
// set the window scale to the minimum size
//
void AM_maxOutWindowScale ()
{
scale_mtof = max_scale_mtof;
scale_ftom = MapDiv(MAPUNIT, scale_mtof);
}
CCMD (togglemap)
{
gameaction = ga_togglemap;
}
void AM_ToggleMap ()
{
if (gamestate != GS_LEVEL)
return;
SB_state = screen->GetPageCount ();
if (!automapactive)
{
AM_Start ();
viewactive = (am_overlay != 0.f);
}
else
{
if (am_overlay==1 && viewactive)
{
viewactive = false;
SB_state = screen->GetPageCount ();
}
else
{
AM_Stop ();
}
}
}
//
// Handle events (user inputs) in automap mode
//
bool AM_Responder (event_t *ev)
{
bool rc;
static int cheatstate = 0;
static int bigstate = 0;
rc = false;
if (automapactive && ev->type == EV_KeyDown)
{
rc = true;
switch (ev->data1)
{
case AM_PANRIGHTKEY: // pan right
if (!followplayer)
m_paninc.x = FTOM(F_PANINC);
else
rc = false;
break;
case AM_PANLEFTKEY: // pan left
if (!followplayer)
m_paninc.x = -FTOM(F_PANINC);
else
rc = false;
break;
case AM_PANUPKEY: // pan up
if (!followplayer)
m_paninc.y = FTOM(F_PANINC);
else
rc = false;
break;
case AM_PANDOWNKEY: // pan down
if (!followplayer)
m_paninc.y = -FTOM(F_PANINC);
else
rc = false;
break;
case AM_ZOOMOUTKEY: // zoom out
case AM_ZOOMOUTKEY2:
mtof_zoommul = M_ZOOMOUT;
ftom_zoommul = M_ZOOMIN;
break;
case AM_ZOOMINKEY: // zoom in
case AM_ZOOMINKEY2:
mtof_zoommul = M_ZOOMIN;
ftom_zoommul = M_ZOOMOUT;
break;
case AM_GOBIGKEY:
bigstate = !bigstate;
if (bigstate)
{
AM_saveScaleAndLoc();
AM_minOutWindowScale();
}
else
AM_restoreScaleAndLoc();
break;
default:
switch (ev->data2)
{
case AM_FOLLOWKEY:
followplayer = !followplayer;
f_oldloc.x = FIXED_MAX;
Printf ("%s\n", GStrings(followplayer ? "AMSTR_FOLLOWON" : "AMSTR_FOLLOWOFF"));
break;
case AM_GRIDKEY:
grid = !grid;
Printf ("%s\n", GStrings(grid ? "AMSTR_GRIDON" : "AMSTR_GRIDOFF"));
break;
case AM_MARKKEY:
if (AM_addMark())
{
Printf ("%s %d\n", GStrings("AMSTR_MARKEDSPOT"), markpointnum);
}
else
{
rc = false;
}
break;
case AM_CLEARMARKKEY:
if (AM_clearMarks())
{
Printf ("%s\n", GStrings("AMSTR_MARKSCLEARED"));
}
else
{
rc = false;
}
break;
default:
cheatstate = 0;
rc = false;
}
}
}
else if (ev->type == EV_KeyUp)
{
rc = false;
switch (ev->data1)
{
case AM_PANRIGHTKEY:
if (!followplayer) m_paninc.x = 0;
break;
case AM_PANLEFTKEY:
if (!followplayer) m_paninc.x = 0;
break;
case AM_PANUPKEY:
if (!followplayer) m_paninc.y = 0;
break;
case AM_PANDOWNKEY:
if (!followplayer) m_paninc.y = 0;
break;
case AM_ZOOMOUTKEY:
case AM_ZOOMOUTKEY2:
case AM_ZOOMINKEY:
case AM_ZOOMINKEY2:
mtof_zoommul = MAPUNIT;
ftom_zoommul = MAPUNIT;
break;
}
}
return rc;
}
//
// Zooming
//
void AM_changeWindowScale ()
{
// Change the scaling multipliers
scale_mtof = MapMul(scale_mtof, mtof_zoommul);
scale_ftom = MapDiv(MAPUNIT, scale_mtof);
if (scale_mtof < min_scale_mtof)
AM_minOutWindowScale();
else if (scale_mtof > max_scale_mtof)
AM_maxOutWindowScale();
}
//
//
//
void AM_doFollowPlayer ()
{
fixed_t sx, sy;
if (players[consoleplayer].camera != NULL &&
(f_oldloc.x != players[consoleplayer].camera->x ||
f_oldloc.y != players[consoleplayer].camera->y))
{
m_x = (players[consoleplayer].camera->x >> FRACTOMAPBITS) - m_w/2;
m_y = (players[consoleplayer].camera->y >> FRACTOMAPBITS) - m_h/2;
m_x2 = m_x + m_w;
m_y2 = m_y + m_h;
// do the parallax parchment scrolling.
sx = (players[consoleplayer].camera->x - f_oldloc.x) >> FRACTOMAPBITS;
sy = (f_oldloc.y - players[consoleplayer].camera->y) >> FRACTOMAPBITS;
if (am_rotate == 1 || (am_rotate == 2 && viewactive))
{
AM_rotate (&sx, &sy, players[consoleplayer].camera->angle - ANG90);
}
AM_ScrollParchment (sx, sy);
f_oldloc.x = players[consoleplayer].camera->x;
f_oldloc.y = players[consoleplayer].camera->y;
}
}
//
// Updates on Game Tick
//
void AM_Ticker ()
{
if (!automapactive)
return;
amclock++;
if (followplayer)
AM_doFollowPlayer();
// Change the zoom if necessary
if (ftom_zoommul != MAPUNIT)
AM_changeWindowScale();
// Change x,y location
//if (m_paninc.x || m_paninc.y)
AM_changeWindowLoc();
}
//
// Clear automap frame buffer.
//
void AM_clearFB (int color)
{
if (mapback == NULL || !am_drawmapback)
{
screen->Clear (0, 0, f_w, f_h, color);
}
else
{
int pwidth = mapback->GetWidth();
int pheight = mapback->GetHeight();
int x, y;
//blit the automap background to the screen.
for (y = mapystart >> MAPBITS; y < f_h; y += pheight)
{
for (x = mapxstart >> MAPBITS; x < f_w; x += pwidth)
{
screen->DrawTexture (mapback, x, y, DTA_ClipBottom, f_h, TAG_DONE);
}
}
}
}
//
// Automap clipping of lines.
//
// Based on Cohen-Sutherland clipping algorithm but with a slightly
// faster reject and precalculated slopes. If the speed is needed,
// use a hash algorithm to handle the common cases.
//
bool AM_clipMline (mline_t *ml, fline_t *fl)
{
enum {
LEFT =1,
RIGHT =2,
BOTTOM =4,
TOP =8
};
register int outcode1 = 0;
register int outcode2 = 0;
register int outside;
fpoint_t tmp;
int dx;
int dy;
#define DOOUTCODE(oc, mx, my) \
(oc) = 0; \
if ((my) < 0) (oc) |= TOP; \
else if ((my) >= f_h) (oc) |= BOTTOM; \
if ((mx) < 0) (oc) |= LEFT; \
else if ((mx) >= f_w) (oc) |= RIGHT;
// do trivial rejects and outcodes
if (ml->a.y > m_y2)
outcode1 = TOP;
else if (ml->a.y < m_y)
outcode1 = BOTTOM;
if (ml->b.y > m_y2)
outcode2 = TOP;
else if (ml->b.y < m_y)
outcode2 = BOTTOM;
if (outcode1 & outcode2)
return false; // trivially outside
if (ml->a.x < m_x)
outcode1 |= LEFT;
else if (ml->a.x > m_x2)
outcode1 |= RIGHT;
if (ml->b.x < m_x)
outcode2 |= LEFT;
else if (ml->b.x > m_x2)
outcode2 |= RIGHT;
if (outcode1 & outcode2)
return false; // trivially outside
// transform to frame-buffer coordinates.
fl->a.x = CXMTOF(ml->a.x);
fl->a.y = CYMTOF(ml->a.y);
fl->b.x = CXMTOF(ml->b.x);
fl->b.y = CYMTOF(ml->b.y);
DOOUTCODE(outcode1, fl->a.x, fl->a.y);
DOOUTCODE(outcode2, fl->b.x, fl->b.y);
if (outcode1 & outcode2)
return false;
while (outcode1 | outcode2) {
// may be partially inside box
// find an outside point
if (outcode1)
outside = outcode1;
else
outside = outcode2;
// clip to each side
if (outside & TOP)
{
dy = fl->a.y - fl->b.y;
dx = fl->b.x - fl->a.x;
tmp.x = fl->a.x + (dx*(fl->a.y))/dy;
tmp.y = 0;
}
else if (outside & BOTTOM)
{
dy = fl->a.y - fl->b.y;
dx = fl->b.x - fl->a.x;
tmp.x = fl->a.x + (dx*(fl->a.y-f_h))/dy;
tmp.y = f_h-1;
}
else if (outside & RIGHT)
{
dy = fl->b.y - fl->a.y;
dx = fl->b.x - fl->a.x;
tmp.y = fl->a.y + (dy*(f_w-1 - fl->a.x))/dx;
tmp.x = f_w-1;
}
else if (outside & LEFT)
{
dy = fl->b.y - fl->a.y;
dx = fl->b.x - fl->a.x;
tmp.y = fl->a.y + (dy*(-fl->a.x))/dx;
tmp.x = 0;
}
if (outside == outcode1)
{
fl->a = tmp;
DOOUTCODE(outcode1, fl->a.x, fl->a.y);
}
else
{
fl->b = tmp;
DOOUTCODE(outcode2, fl->b.x, fl->b.y);
}
if (outcode1 & outcode2)
return false; // trivially outside
}
return true;
}
#undef DOOUTCODE
//
// Classic Bresenham w/ whatever optimizations needed for speed
//
void AM_drawFline (fline_t *fl, int color)
{
fl->a.x += f_x;
fl->b.x += f_x;
fl->a.y += f_y;
fl->b.y += f_y;
switch (color)
{
case WALLCOLORS:
DrawWuLine (fl->a.x, fl->a.y, fl->b.x, fl->b.y, &antialias[0][0]);
break;
case FDWALLCOLORS:
DrawWuLine (fl->a.x, fl->a.y, fl->b.x, fl->b.y, &antialias[1][0]);
break;
case CDWALLCOLORS:
DrawWuLine (fl->a.x, fl->a.y, fl->b.x, fl->b.y, &antialias[2][0]);
break;
default:
DrawTransWuLine (fl->a.x, fl->a.y, fl->b.x, fl->b.y, color);
break;
#if 0
{
register int x;
register int y;
register int dx;
register int dy;
register int sx;
register int sy;
register int ax;
register int ay;
register int d;
#define PUTDOTP(xx,yy,cc) fb[(yy)*f_p+(xx)]=(cc)
dx = fl->b.x - fl->a.x;
ax = 2 * (dx<0 ? -dx : dx);
sx = dx<0 ? -1 : 1;
dy = fl->b.y - fl->a.y;
ay = 2 * (dy<0 ? -dy : dy);
sy = dy<0 ? -1 : 1;
x = fl->a.x;
y = fl->a.y;
if (ax > ay) {
d = ay - ax/2;
for (;;) {
PUTDOTP(x,y,(BYTE)color);
if (x == fl->b.x)
return;
if (d>=0) {
y += sy;
d -= ax;
}
x += sx;
d += ay;
}
} else {
d = ax - ay/2;
for (;;) {
PUTDOTP(x, y, (BYTE)color);
if (y == fl->b.y)
return;
if (d >= 0) {
x += sx;
d -= ay;
}
y += sy;
d += ax;
}
}
}
#endif
}
}
/* Wu antialiased line drawer.
* (X0,Y0),(X1,Y1) = line to draw
* BaseColor = color # of first color in block used for antialiasing, the
* 100% intensity version of the drawing color
* NumLevels = size of color block, with BaseColor+NumLevels-1 being the
* 0% intensity version of the drawing color
* IntensityBits = log base 2 of NumLevels; the # of bits used to describe
* the intensity of the drawing color. 2**IntensityBits==NumLevels
*/
void PUTDOT (int xx, int yy, BYTE *cc, BYTE *cm)
{
static int oldyy;
static int oldyyshifted;
BYTE *oldcc=cc;
#if 0
if(xx < 32)
cc += 7-(xx>>2);
else if(xx > (finit_width - 32))
cc += 7-((finit_width-xx) >> 2);
// if(cc==oldcc) //make sure that we don't double fade the corners.
// {
if(yy < 32)
cc += 7-(yy>>2);
else if(yy > (finit_height - 32))
cc += 7-((finit_height-yy) >> 2);
// }
#endif
if (cm != NULL && cc > cm)
{
cc = cm;
}
else if (cc > oldcc+6) // don't let the color escape from the fade table...
{
cc=oldcc+6;
}
if (yy == oldyy+1)
{
oldyy++;
oldyyshifted += SCREENPITCH;
}
else if (yy == oldyy-1)
{
oldyy--;
oldyyshifted -= SCREENPITCH;
}
else if (yy != oldyy)
{
oldyy = yy;
oldyyshifted = yy*SCREENPITCH;
}
fb[oldyyshifted+xx] = *(cc);
}
void DrawWuLine (int x0, int y0, int x1, int y1, BYTE *baseColor)
{
int deltaX, deltaY, xDir;
if (viewactive)
{
// If the map is overlayed, use the translucent line drawer
// code to avoid nasty discolored spots along the edges of
// the lines. Otherwise, use this one to avoid reading from
// the framebuffer.
DrawTransWuLine (x0, y0, x1, y1, *baseColor);
return;
}
// Make sure the line runs top to bottom
if (y0 > y1)
{
int temp = y0; y0 = y1; y1 = temp;
temp = x0; x0 = x1; x1 = temp;
}
// Draw the initial pixel, which is always exactly intersected by
// the line and so needs no weighting
PUTDOT (x0, y0, &baseColor[0], NULL);
if ((deltaX = x1 - x0) >= 0)
{
xDir = 1;
}
else
{
xDir = -1;
deltaX = -deltaX; // make deltaX positive
}
// Special-case horizontal, vertical, and diagonal lines, which
// require no weighting because they go right through the center of
// every pixel
if ((deltaY = y1 - y0) == 0)
{ // horizontal line
while (deltaX-- != 0)
{
x0 += xDir;
PUTDOT (x0, y0, &baseColor[0], NULL);
}
return;
}
if (deltaX == 0)
{ // vertical line
do
{
y0++;
PUTDOT (x0, y0, &baseColor[0], NULL);
} while (--deltaY != 0);
return;
}
if (deltaX == deltaY)
{ // diagonal line.
do
{
x0 += xDir;
y0++;
PUTDOT (x0, y0, &baseColor[0], NULL);
} while (--deltaY != 0);
return;
}
// Line is not horizontal, diagonal, or vertical
fixed_t errorAcc = 0; // initialize the line error accumulator to 0
// Is this an X-major or Y-major line?
if (deltaY > deltaX)
{
// Y-major line; calculate 16-bit fixed-point fractional part of a
// pixel that X advances each time Y advances 1 pixel, truncating the
// result so that we won't overrun the endpoint along the X axis
fixed_t errorAdj = ((DWORD) deltaX << 16) / (DWORD) deltaY & 0xffff;
// Draw all pixels other than the first and last
if (xDir < 0)
{
while (--deltaY)
{
errorAcc += errorAdj;
y0++; // Y-major, so always advance Y
// The most significant bits of ErrorAcc give us the intensity
// weighting for this pixel, and the complement of the weighting
// for the paired pixel
int weighting = (errorAcc >> WEIGHTSHIFT) & WEIGHTMASK;
PUTDOT (x0 - (errorAcc >> 16), y0, &baseColor[weighting], &baseColor[NUMWEIGHTS-1]);
PUTDOT (x0 - (errorAcc >> 16) - 1, y0,
&baseColor[WEIGHTMASK - weighting], &baseColor[NUMWEIGHTS-1]);
}
}
else
{
while (--deltaY)
{
errorAcc += errorAdj;
y0++; // Y-major, so always advance Y
int weighting = (errorAcc >> WEIGHTSHIFT) & WEIGHTMASK;
PUTDOT (x0 + (errorAcc >> 16), y0, &baseColor[weighting], &baseColor[NUMWEIGHTS-1]);
PUTDOT (x0 + (errorAcc >> 16) + 1, y0,
&baseColor[WEIGHTMASK - weighting], &baseColor[NUMWEIGHTS-1]);
}
}
}
else
{
// It's an X-major line; calculate 16-bit fixed-point fractional part of a
// pixel that Y advances each time X advances 1 pixel, truncating the
// result to avoid overrunning the endpoint along the X axis
fixed_t errorAdj = ((DWORD) deltaY << 16) / (DWORD) deltaX;
// Draw all pixels other than the first and last
while (--deltaX)
{
errorAcc += errorAdj;
x0 += xDir; // X-major, so always advance X
int weighting = (errorAcc >> WEIGHTSHIFT) & WEIGHTMASK;
PUTDOT (x0, y0 + (errorAcc >> 16), &baseColor[weighting], &baseColor[NUMWEIGHTS-1]);
PUTDOT (x0, y0 + (errorAcc >> 16) + 1,
&baseColor[WEIGHTMASK - weighting], &baseColor[NUMWEIGHTS-1]);
}
}
// Draw the final pixel, which is always exactly intersected by the line
// and so needs no weighting
PUTDOT (x1, y1, &baseColor[0], NULL);
}
void PUTTRANSDOT (int xx, int yy, int basecolor, int level)
{
static int oldyy;
static int oldyyshifted;
#if 0
if(xx < 32)
cc += 7-(xx>>2);
else if(xx > (finit_width - 32))
cc += 7-((finit_width-xx) >> 2);
// if(cc==oldcc) //make sure that we don't double fade the corners.
// {
if(yy < 32)
cc += 7-(yy>>2);
else if(yy > (finit_height - 32))
cc += 7-((finit_height-yy) >> 2);
// }
if(cc > cm && cm != NULL)
{
cc = cm;
}
else if(cc > oldcc+6) // don't let the color escape from the fade table...
{
cc=oldcc+6;
}
#endif
if (yy == oldyy+1)
{
oldyy++;
oldyyshifted += SCREENPITCH;
}
else if (yy == oldyy-1)
{
oldyy--;
oldyyshifted -= SCREENPITCH;
}
else if (yy != oldyy)
{
oldyy = yy;
oldyyshifted = yy*SCREENPITCH;
}
BYTE *spot = fb + oldyyshifted + xx;
DWORD *bg2rgb = Col2RGB8[1+level];
DWORD *fg2rgb = Col2RGB8[63-level];
DWORD fg = fg2rgb[basecolor];
DWORD bg = bg2rgb[*spot];
bg = (fg+bg) | 0x1f07c1f;
*spot = RGB32k[0][0][bg&(bg>>15)];
}
void DrawTransWuLine (int x0, int y0, int x1, int y1, BYTE baseColor)
{
int deltaX, deltaY, xDir;
if (y0 > y1)
{
int temp = y0; y0 = y1; y1 = temp;
temp = x0; x0 = x1; x1 = temp;
}
PUTTRANSDOT (x0, y0, baseColor, 0);
if ((deltaX = x1 - x0) >= 0)
{
xDir = 1;
}
else
{
xDir = -1;
deltaX = -deltaX;
}
if ((deltaY = y1 - y0) == 0)
{ // horizontal line
if (x0 > x1)
{
swap (x0, x1);
}
memset (screen->GetBuffer() + y0*screen->GetPitch() + x0, baseColor, deltaX+1);
return;
}
if (deltaX == 0)
{ // vertical line
BYTE *spot = screen->GetBuffer() + y0*screen->GetPitch() + x0;
int pitch = screen->GetPitch ();
do
{
*spot = baseColor;
spot += pitch;
} while (--deltaY != 0);
return;
}
if (deltaX == deltaY)
{ // diagonal line.
BYTE *spot = screen->GetBuffer() + y0*screen->GetPitch() + x0;
int advance = screen->GetPitch() + xDir;
do
{
*spot = baseColor;
spot += advance;
} while (--deltaY != 0);
return;
}
// line is not horizontal, diagonal, or vertical
fixed_t errorAcc = 0;
if (deltaY > deltaX)
{ // y-major line
fixed_t errorAdj = (((unsigned)deltaX << 16) / (unsigned)deltaY) & 0xffff;
if (xDir < 0)
{
if (WeightingScale == 0)
{
while (--deltaY)
{
errorAcc += errorAdj;
y0++;
int weighting = (errorAcc >> WEIGHTSHIFT) & WEIGHTMASK;
PUTTRANSDOT (x0 - (errorAcc >> 16), y0, baseColor, weighting);
PUTTRANSDOT (x0 - (errorAcc >> 16) - 1, y0,
baseColor, WEIGHTMASK - weighting);
}
}
else
{
while (--deltaY)
{
errorAcc += errorAdj;
y0++;
int weighting = ((errorAcc * WeightingScale) >> (WEIGHTSHIFT+8)) & WEIGHTMASK;
PUTTRANSDOT (x0 - (errorAcc >> 16), y0, baseColor, weighting);
PUTTRANSDOT (x0 - (errorAcc >> 16) - 1, y0,
baseColor, WEIGHTMASK - weighting);
}
}
}
else
{
if (WeightingScale == 0)
{
while (--deltaY)
{
errorAcc += errorAdj;
y0++;
int weighting = (errorAcc >> WEIGHTSHIFT) & WEIGHTMASK;
PUTTRANSDOT (x0 + (errorAcc >> 16), y0, baseColor, weighting);
PUTTRANSDOT (x0 + (errorAcc >> 16) + xDir, y0,
baseColor, WEIGHTMASK - weighting);
}
}
else
{
while (--deltaY)
{
errorAcc += errorAdj;
y0++;
int weighting = ((errorAcc * WeightingScale) >> (WEIGHTSHIFT+8)) & WEIGHTMASK;
PUTTRANSDOT (x0 + (errorAcc >> 16), y0, baseColor, weighting);
PUTTRANSDOT (x0 + (errorAcc >> 16) + xDir, y0,
baseColor, WEIGHTMASK - weighting);
}
}
}
}
else
{ // x-major line
fixed_t errorAdj = (((DWORD) deltaY << 16) / (DWORD) deltaX) & 0xffff;
if (WeightingScale == 0)
{
while (--deltaX)
{
errorAcc += errorAdj;
x0 += xDir;
int weighting = (errorAcc >> WEIGHTSHIFT) & WEIGHTMASK;
PUTTRANSDOT (x0, y0 + (errorAcc >> 16), baseColor, weighting);
PUTTRANSDOT (x0, y0 + (errorAcc >> 16) + 1,
baseColor, WEIGHTMASK - weighting);
}
}
else
{
while (--deltaX)
{
errorAcc += errorAdj;
x0 += xDir;
int weighting = ((errorAcc * WeightingScale) >> (WEIGHTSHIFT+8)) & WEIGHTMASK;
PUTTRANSDOT (x0, y0 + (errorAcc >> 16), baseColor, weighting);
PUTTRANSDOT (x0, y0 + (errorAcc >> 16) + 1,
baseColor, WEIGHTMASK - weighting);
}
}
}
PUTTRANSDOT (x1, y1, baseColor, 0);
}
//
// Clip lines, draw visible parts of lines.
//
void AM_drawMline (mline_t *ml, int color)
{
static fline_t fl;
if (AM_clipMline (ml, &fl))
AM_drawFline (&fl, color); // draws it on frame buffer using fb coords
}
//
// Draws flat (floor/ceiling tile) aligned grid lines.
//
void AM_drawGrid (int color)
{
fixed_t x, y;
fixed_t start, end;
mline_t ml;
fixed_t minlen, extx, exty;
fixed_t minx, miny;
// [RH] Calculate a minimum for how long the grid lines should be so that
// they cover the screen at any rotation.
minlen = (fixed_t)sqrtf ((float)m_w*(float)m_w + (float)m_h*(float)m_h);
extx = (minlen - m_w) / 2;
exty = (minlen - m_h) / 2;
minx = m_x;
miny = m_y;
// Figure out start of vertical gridlines
start = minx - extx;
if ((start-bmaporgx)%(MAPBLOCKUNITS<<MAPBITS))
start += (MAPBLOCKUNITS<<MAPBITS)
- ((start-bmaporgx)%(MAPBLOCKUNITS<<MAPBITS));
end = minx + minlen - extx;
// draw vertical gridlines
for (x = start; x < end; x += (MAPBLOCKUNITS<<MAPBITS))
{
ml.a.x = x;
ml.b.x = x;
ml.a.y = miny - exty;
ml.b.y = ml.a.y + minlen;
if (am_rotate == 1 || (am_rotate == 2 && viewactive))
{
AM_rotatePoint (&ml.a.x, &ml.a.y);
AM_rotatePoint (&ml.b.x, &ml.b.y);
}
AM_drawMline(&ml, color);
}
// Figure out start of horizontal gridlines
start = miny - exty;
if ((start-bmaporgy)%(MAPBLOCKUNITS<<MAPBITS))
start += (MAPBLOCKUNITS<<MAPBITS)
- ((start-bmaporgy)%(MAPBLOCKUNITS<<MAPBITS));
end = miny + minlen - exty;
// draw horizontal gridlines
for (y=start; y<end; y+=(MAPBLOCKUNITS<<MAPBITS))
{
ml.a.x = minx - extx;
ml.b.x = ml.a.x + minlen;
ml.a.y = y;
ml.b.y = y;
if (am_rotate == 1 || (am_rotate == 2 && viewactive))
{
AM_rotatePoint (&ml.a.x, &ml.a.y);
AM_rotatePoint (&ml.b.x, &ml.b.y);
}
AM_drawMline (&ml, color);
}
}
//
// Determines visible lines, draws them.
// This is LineDef based, not LineSeg based.
//
void AM_drawWalls (bool allmap)
{
int i;
static mline_t l;
for (i = 0; i < numlines; i++)
{
l.a.x = lines[i].v1->x >> FRACTOMAPBITS;
l.a.y = lines[i].v1->y >> FRACTOMAPBITS;
l.b.x = lines[i].v2->x >> FRACTOMAPBITS;
l.b.y = lines[i].v2->y >> FRACTOMAPBITS;
if (am_rotate == 1 || (am_rotate == 2 && viewactive))
{
AM_rotatePoint (&l.a.x, &l.a.y);
AM_rotatePoint (&l.b.x, &l.b.y);
}
if (am_cheat != 0 || (lines[i].flags & ML_MAPPED))
{
if ((lines[i].flags & ML_DONTDRAW) && am_cheat == 0)
continue;
if (!lines[i].backsector)
{
if (lines[i].frontsector->oldspecial &&
(am_map_secrets==2 || (am_map_secrets==1 && !(lines[i].frontsector->special&SECRET_MASK))))
{
// map secret sectors like Boom
AM_drawMline(&l, SecretSectorColor);
}
else
{
AM_drawMline(&l, WallColor);
}
}
else
{
if ((lines[i].special == Teleport ||
lines[i].special == Teleport_NoFog ||
lines[i].special == Teleport_Line) &&
GET_SPAC(lines[i].flags) != SPAC_MCROSS &&
am_usecustomcolors)
{ // intra-level teleporters
AM_drawMline(&l, IntraTeleportColor);
}
else if ((lines[i].special == Teleport_NewMap ||
lines[i].special == Teleport_EndGame ||
lines[i].special == Exit_Normal ||
lines[i].special == Exit_Secret) &&
am_usecustomcolors)
{ // inter-level/game-ending teleporters
AM_drawMline(&l, InterTeleportColor);
}
else if (lines[i].flags & ML_SECRET)
{ // secret door
if (am_cheat != 0)
AM_drawMline(&l, SecretWallColor);
else
AM_drawMline(&l, WallColor);
}
else if (lines[i].special == Door_LockedRaise ||
lines[i].special == ACS_LockedExecute ||
(lines[i].special == Generic_Door && lines[i].args[4]!=0))
{
if (am_usecustomcolors)
{
int P_GetMapColorForLock(int lock);
int lock;
if (lines[i].special==Door_LockedRaise) lock=lines[i].args[3];
else lock=lines[i].args[4];
int color = P_GetMapColorForLock(lock);
if (color > 0)
{
color = ColorMatcher.Pick(RPART(color), GPART(color), BPART(color));
}
else color = LockedColor;
AM_drawMline (&l, color);
}
else
AM_drawMline (&l, LockedColor); // locked special
}
else if (lines[i].backsector->floorplane
!= lines[i].frontsector->floorplane)
{
AM_drawMline(&l, FDWallColor); // floor level change
}
else if (lines[i].backsector->ceilingplane
!= lines[i].frontsector->ceilingplane)
{
AM_drawMline(&l, CDWallColor); // ceiling level change
}
else if (am_cheat != 0)
{
AM_drawMline(&l, TSWallColor);
}
}
}
else if (allmap)
{
if (!(lines[i].flags & ML_DONTDRAW))
AM_drawMline(&l, NotSeenColor);
}
}
}
//
// Rotation in 2D.
// Used to rotate player arrow line character.
//
void AM_rotate (fixed_t *x, fixed_t *y, angle_t a)
{
fixed_t tmpx;
a >>= ANGLETOFINESHIFT;
tmpx = DMulScale16 (*x,finecosine[a],*y,-finesine[a]);
*y = DMulScale16 (*x,finesine[a],*y,finecosine[a]);
*x = tmpx;
}
void AM_rotatePoint (fixed_t *x, fixed_t *y)
{
*x -= players[consoleplayer].camera->x >> FRACTOMAPBITS;
*y -= players[consoleplayer].camera->y >> FRACTOMAPBITS;
AM_rotate (x, y, ANG90 - players[consoleplayer].camera->angle);
*x += players[consoleplayer].camera->x >> FRACTOMAPBITS;
*y += players[consoleplayer].camera->y >> FRACTOMAPBITS;
}
void
AM_drawLineCharacter
( const mline_t *lineguy,
int lineguylines,
fixed_t scale,
angle_t angle,
int color,
fixed_t x,
fixed_t y )
{
int i;
mline_t l;
for (i=0;i<lineguylines;i++) {
l.a.x = lineguy[i].a.x;
l.a.y = lineguy[i].a.y;
if (scale) {
l.a.x = MapMul(scale, l.a.x);
l.a.y = MapMul(scale, l.a.y);
}
if (angle)
AM_rotate(&l.a.x, &l.a.y, angle);
l.a.x += x;
l.a.y += y;
l.b.x = lineguy[i].b.x;
l.b.y = lineguy[i].b.y;
if (scale) {
l.b.x = MapMul(scale, l.b.x);
l.b.y = MapMul(scale, l.b.y);
}
if (angle)
AM_rotate(&l.b.x, &l.b.y, angle);
l.b.x += x;
l.b.y += y;
AM_drawMline(&l, color);
}
}
void AM_drawPlayers ()
{
angle_t angle;
int i;
if (!multiplayer)
{
if (am_rotate == 1 || (am_rotate == 2 && viewactive))
angle = ANG90;
else
angle = players[consoleplayer].camera->angle;
if (am_cheat != 0)
AM_drawLineCharacter
(cheat_player_arrow, NUMCHEATPLYRLINES, 0,
angle, YourColor, players[consoleplayer].camera->x >> FRACTOMAPBITS, players[consoleplayer].camera->y >> FRACTOMAPBITS);
else
AM_drawLineCharacter
(player_arrow, NUMPLYRLINES, 0, angle,
YourColor, players[consoleplayer].camera->x >> FRACTOMAPBITS, players[consoleplayer].camera->y >> FRACTOMAPBITS);
return;
}
for (i = 0; i < MAXPLAYERS; i++)
{
player_t *p = &players[i];
int color;
mpoint_t pt;
if (!playeringame[i] || p->mo == NULL)
{
continue;
}
if (deathmatch && !demoplayback &&
!p->mo->IsTeammate (players[consoleplayer].mo) &&
p != players[consoleplayer].camera->player)
{
continue;
}
if (p->mo->alpha < OPAQUE)
{
color = AlmostBackground;
}
else
{
float h, s, v, r, g, b;
D_GetPlayerColor (i, &h, &s, &v);
HSVtoRGB (&r, &g, &b, h, s, v);
color = ColorMatcher.Pick (clamp (int(r*255.f),0,255),
clamp (int(g*255.f),0,255), clamp (int(b*255.f),0,255));
}
if (p->mo != NULL)
{
pt.x = p->mo->x >> FRACTOMAPBITS;
pt.y = p->mo->y >> FRACTOMAPBITS;
angle = p->mo->angle;
if (am_rotate == 1 || (am_rotate == 2 && viewactive))
{
AM_rotatePoint (&pt.x, &pt.y);
angle -= players[consoleplayer].camera->angle - ANG90;
}
AM_drawLineCharacter
(player_arrow, NUMPLYRLINES, 0, angle,
color, pt.x, pt.y);
}
}
}
void AM_drawThings (int _color)
{
int color;
int i;
AActor* t;
mpoint_t p;
angle_t angle;
for (i=0;i<numsectors;i++)
{
t = sectors[i].thinglist;
while (t)
{
p.x = t->x >> FRACTOMAPBITS;
p.y = t->y >> FRACTOMAPBITS;
angle = t->angle;
if (am_rotate == 1 || (am_rotate == 2 && viewactive))
{
AM_rotatePoint (&p.x, &p.y);
angle += ANG90 - players[consoleplayer].camera->angle;
}
color = ThingColor;
// use separate colors for special thing types
if (t->flags3&MF3_ISMONSTER && !(t->flags&MF_CORPSE))
{
if (t->flags & MF_FRIENDLY || !(t->flags & MF_COUNTKILL)) color = ThingColor_Friend;
else color = ThingColor_Monster;
}
else if (t->flags&MF_SPECIAL) color = ThingColor_Item;
AM_drawLineCharacter
(thintriangle_guy, NUMTHINTRIANGLEGUYLINES,
16<<MAPBITS, angle, color, p.x, p.y);
if (am_cheat >= 3)
{
static const mline_t box[4] =
{
{ { -MAPUNIT, -MAPUNIT }, { MAPUNIT, -MAPUNIT } },
{ { MAPUNIT, -MAPUNIT }, { MAPUNIT, MAPUNIT } },
{ { MAPUNIT, MAPUNIT }, { -MAPUNIT, MAPUNIT } },
{ { -MAPUNIT, MAPUNIT }, { -MAPUNIT, -MAPUNIT } },
};
AM_drawLineCharacter (box, 4, t->radius >> FRACTOMAPBITS, angle - t->angle, color, p.x, p.y);
}
t = t->snext;
}
}
}
static void DrawMarker (FTexture *tex, fixed_t x, fixed_t y, int yadjust,
INTBOOL flip, fixed_t xscale, fixed_t yscale, int translation, fixed_t alpha, DWORD alphacolor, int renderstyle)
{
if (tex == NULL || tex->UseType == FTexture::TEX_Null)
{
return;
}
if (am_rotate == 1 || (am_rotate == 2 && viewactive))
{
AM_rotatePoint (&x, &y);
}
screen->DrawTexture (tex, CXMTOF(x) + f_x, CYMTOF(y) + yadjust + f_y,
DTA_DestWidth, MulScale16 (tex->GetScaledWidth() * CleanXfac, xscale),
DTA_DestHeight, MulScale16 (tex->GetScaledHeight() * CleanYfac, yscale),
DTA_ClipTop, f_y,
DTA_ClipBottom, f_y + f_h,
DTA_ClipLeft, f_x,
DTA_ClipRight, f_x + f_w,
DTA_FlipX, flip,
DTA_Translation, translation != 0 ? translationtables[(translation&0xff00)>>8] + (translation&0x00ff)*256 : NULL,
DTA_Alpha, alpha,
DTA_FillColor, alphacolor,
DTA_RenderStyle, renderstyle,
TAG_DONE);
}
void AM_drawMarks ()
{
for (int i = 0; i < AM_NUMMARKPOINTS; i++)
{
if (markpoints[i].x != -1)
{
DrawMarker (TexMan(marknums[i]), markpoints[i].x, markpoints[i].y, -3, 0, 64, 64, 0, FRACUNIT, 0, STYLE_Normal);
}
}
}
void AM_drawAuthorMarkers ()
{
// [RH] Draw any actors derived from AMapMarker on the automap.
// If args[0] is 0, then the actor's sprite is drawn at its own location.
// Otherwise, its sprite is drawn at the location of any actors whose TIDs match args[0].
TThinkerIterator<AMapMarker> it (STAT_MAPMARKER);
AMapMarker *mark;
while ((mark = it.Next()) != NULL)
{
if (mark->flags2 & MF2_DORMANT)
{
continue;
}
int picnum;
FTexture *tex;
WORD flip = 0;
if (mark->picnum != 0xFFFF)
{
tex = TexMan(mark->picnum);
if (tex->Rotations != 0xFFFF)
{
spriteframe_t *sprframe = &SpriteFrames[tex->Rotations];
picnum = sprframe->Texture[0];
flip = sprframe->Flip & 1;
tex = TexMan[picnum];
}
}
else
{
spritedef_t *sprdef = &sprites[mark->sprite];
if (mark->frame >= sprdef->numframes)
{
continue;
}
else
{
spriteframe_t *sprframe = &SpriteFrames[sprdef->spriteframes + mark->frame];
picnum = sprframe->Texture[0];
flip = sprframe->Flip & 1;
tex = TexMan[picnum];
}
}
FActorIterator it (mark->args[0]);
AActor *marked = mark->args[0] == 0 ? mark : it.Next();
while (marked != NULL)
{
if (mark->args[1] == 0 || (mark->args[1] == 1 && marked->Sector->MoreFlags & SECF_DRAWN))
{
DrawMarker (tex, marked->x >> FRACTOMAPBITS, marked->y >> FRACTOMAPBITS, 0,
flip, mark->scaleX, mark->scaleY, mark->Translation,
mark->alpha, mark->alphacolor, mark->RenderStyle);
}
marked = mark->args[0] != 0 ? it.Next() : NULL;
}
}
}
void AM_drawCrosshair (int color)
{
fb[f_p*((f_h+1)/2)+(f_w/2)] = (BYTE)color; // single point for now
}
void AM_Drawer ()
{
if (!automapactive)
return;
bool allmap = (level.flags & LEVEL_ALLMAP) != 0;
bool allthings = allmap && players[consoleplayer].mo->FindInventory<APowerScanner>() != NULL;
AM_initColors (viewactive);
fb = screen->GetBuffer ();
if (!viewactive)
{
// [RH] Set f_? here now to handle automap overlaying
// and view size adjustments.
f_x = f_y = 0;
f_w = screen->GetWidth ();
f_h = ST_Y;
f_p = screen->GetPitch ();
WeightingScale = 0;
AM_clearFB(Background);
}
else
{
f_x = viewwindowx;
f_y = viewwindowy;
f_w = realviewwidth;
f_h = realviewheight;
f_p = screen->GetPitch ();
WeightingScale = (int)(am_ovtrans * 256.f);
if (WeightingScale < 0 || WeightingScale >= 256)
{
WeightingScale = 0;
}
}
AM_activateNewScale();
if (grid)
AM_drawGrid(GridColor);
AM_drawWalls(allmap);
AM_drawPlayers();
if (am_cheat >= 2 || allthings)
AM_drawThings(ThingColor);
AM_drawAuthorMarkers();
if (!viewactive)
AM_drawCrosshair(XHairColor);
AM_drawMarks();
}
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